O2 Sensor
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This is a discussion on O2 Sensor within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Need to replace O2 sensor on 2002 WRX. New owner. Any specific sensor I should be looking for?...

  1. #1
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    O2 Sensor

    Need to replace O2 sensor on 2002 WRX. New owner. Any specific sensor I should be looking for?

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  3. #2
    Administrator RayfieldsWRX's Avatar
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    I searched a bit, and found the following part numbers for OEM replacement O2 sensors. There are two on the car, a front and a rear. You may be able to obtain these through the subarugenuineparts website.

    5 speed rear 02 sensor: 22690AA500

    front 02 sensor: 22641AA042
    --Ray
    Grandfather of the Bugeye Mafia
    2013 Subaru BRZ Limited
    2002 Subaru WRX Bugeyebrid Wagon

  4. #3
    Registered User Damien02WRX's Avatar
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    Dec 2005
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    California City, CA
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    Before you purchase anything check this out:
    http://replacement.speedyperformanceparts.com/parts/speedyperformanceparts/wizard.jsp?year=2002&make=SU&model=IMP-4WDT-001&category=C∂=Oxygen%20Sensor&returnurl=null&dp= true

    I recently purchased an OEM waterpump, and OEM drivebelts for my 02 WRX from them. Original equipment for less than the dealer.

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